Robeco Institutional Asset Management’s Atmos Energy ATO Stock Holding History

Robeco Institutional Asset Management’s Portfolio ATO Stock Details ATO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$15.2M	Buy	88,279 +47,433	+116%	+$8.49M	0.02%	397
2026 Q1	$7.55M	Sell	40,846 -9,898	-20%	-$1.75M	0.01%	475
2025 Q4	$8.51M	Buy	50,744 +1,875	+4%	+$324K	0.01%	459
2025 Q3	$8.34M	Sell	48,869 -5,180	-10%	-$836K	0.01%	486
2025 Q2	$8.33M	Buy	54,049 +6,853	+15%	+$1.06M	0.01%	482
2025 Q1	$7.3M	Hold	47,196	–	–	0.01%	484
2024 Q4	$6.57M	Buy	47,196 +24,979	+112%	+$3.55M	0.01%	508
2024 Q3	$3.08M	Sell	22,217 -5,115	-19%	-$657K	0.01%	633
2024 Q2	$3.19M	Sell	27,332 -28,989	-51%	-$3.38M	0.01%	615
2024 Q1	$6.69M	Sell	56,321 -16,536	-23%	-$1.9M	0.01%	494
2023 Q4	$8.44M	Buy	72,857 +17,776	+32%	+$1.99M	0.02%	471
2023 Q3	$5.83M	Buy	55,081 +12,529	+29%	+$1.46M	0.02%	519
2023 Q2	$4.95M	Buy	42,552 +25,855	+155%	+$2.99M	0.01%	556
2023 Q1	$1.88M	Hold	16,697	–	–	0.01%	694
2022 Q4	$1.87M	Sell	16,697 -12,677	-43%	-$1.39M	0.01%	709
2022 Q3	$2.99M	Buy	29,374 +9,829	+50%	+$1.13M	0.01%	594
2022 Q2	$2.19M	Buy	19,545 +5,643	+41%	+$647K	0.01%	628
2022 Q1	$1.66M	Buy	+13,902	New	+$1.52M	﹤0.01%	664
2021 Q4	–	Sell	-469	Closed	-$41K	–	917
2021 Q3	$41K	Sell	469 -3,616	-89%	-$350K	﹤0.01%	905
2021 Q2	$392K	Sell	4,085 -1,921	-32%	-$193K	﹤0.01%	824
2021 Q1	$595K	Sell	6,006 -93	-2%	-$8.46K	﹤0.01%	768
2020 Q4	$583K	Sell	6,099 -20,641	-77%	-$1.99M	﹤0.01%	778
2020 Q3	$2.56M	Sell	26,740 -14,932	-36%	-$1.49M	0.01%	602
2020 Q2	$4.15M	Sell	41,672 -1,889	-4%	-$191K	0.01%	562
2020 Q1	$4.32M	Buy	43,561 +1,994	+5%	+$219K	0.02%	567
2019 Q4	$4.65M	Sell	41,567 -5,035	-11%	-$552K	0.01%	614
2019 Q3	$5.31M	Sell	46,602 -2,328	-5%	-$255K	0.02%	579
2019 Q2	$5.17M	Sell	48,930 -2,329	-5%	-$238K	0.02%	585
2019 Q1	$5.28M	Sell	51,259 -2,576	-5%	-$251K	0.02%	575
2018 Q4	$4.99M	Buy	53,835 +9,093	+20%	+$869K	0.02%	537
2018 Q3	$4.2M	Hold	44,742	–	–	0.02%	584
2018 Q2	$4.03M	Hold	44,742	–	–	0.02%	553
2018 Q1	$3.77M	Buy	44,742 +3,305	+8%	+$269K	0.02%	567
2017 Q4	$3.56M	Sell	41,437 -6	-0%	-$528	0.02%	550
2017 Q3	$3.48M	Buy	41,443 +2,286	+6%	+$197K	0.02%	493
2017 Q2	$3.25M	Hold	39,157	–	–	0.02%	505
2017 Q1	$3.09M	Hold	39,157	–	–	0.02%	504
2016 Q4	$2.9M	Sell	39,157 -23,127	-37%	-$1.67M	0.02%	453
2016 Q3	$4.64M	Sell	62,284 -35,390	-36%	-$2.72M	0.03%	396
2016 Q2	$7.94M	Hold	97,674	–	–	0.06%	281
2016 Q1	$7.25M	Buy	97,674 +64,973	+199%	+$4.46M	0.06%	282
2015 Q4	$2.06M	Buy	32,701 +1,726	+6%	+$106K	0.02%	485
2015 Q3	$1.8M	Hold	30,975	–	–	0.01%	490
2015 Q2	$1.59M	Hold	30,975	–	–	0.01%	524
2015 Q1	$1.71M	Sell	30,975 -23,283	-43%	-$1.28M	0.01%	505
2014 Q4	$3.02M	Hold	54,258	–	–	0.02%	405
2014 Q3	$2.59M	Hold	54,258	–	–	0.02%	413
2014 Q2	$2.9M	Hold	54,258	–	–	0.02%	382
2014 Q1	$2.56M	Hold	54,258	–	–	0.02%	381
2013 Q4	$2.46M	Hold	54,258	–	–	0.02%	346
2013 Q3	$2.31M	Hold	54,258	–	–	0.02%	363
2013 Q2	$2.23M	Buy	+54,258	New	+$2.31M	0.02%	359

Other funds holding ATO

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Deutsche Bank Frankfurt Am Main Ge, Germany $344B AUM 42.99% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return

Perpetual Ltd Sydney, New South Wales, Australia $7B AUM 19.75% 1-Year Est. Return

PNC Financial Services Group Pittsburgh, Pennsylvania $202B AUM 37.79% 1-Year Est. Return

Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

SG Americas Securities New York $179B AUM 65.34% 1-Year Est. Return

DPIM

Duff & Phelps Investment Management Chicago, Illinois $10.6B AUM 18.62% 1-Year Est. Return

Robeco Institutional Asset Management's ATO Position: Q2 2026 in Review

Robeco Institutional Asset Management increased its Atmos Energy (ATO) stake by 116% in Q2 2026, buying an estimated $8.49M and bringing the position to 88,279 shares worth $15.2M. The position accounts for 0.02% of the portfolio, ranked #397.

Robeco Institutional Asset Management first reported a position in ATO in Q2 2013 and has held it in 52 quarters since. 563 funds tracked by Wall St. Rank hold ATO as of Q2 2026.

Robeco Institutional Asset Management held 88,279 shares of Atmos Energy worth $15.2M as of Q2 2026.
Robeco Institutional Asset Management bought 47,433 Atmos Energy shares in Q2 2026, an estimated $8.49M.
Atmos Energy made up 0.02% of Robeco Institutional Asset Management's portfolio in Q2 2026, its #397 holding.
Robeco Institutional Asset Management first reported a position in Atmos Energy in Q2 2013 and has held it in 52 quarters since.
563 funds tracked by Wall St. Rank held Atmos Energy as of Q2 2026.

Based on Robeco Institutional Asset Management's 13F filing for Q2 2026, filed 21 Jul 2026.